Published May 8, 2026, 9:45 AM EDT Cory Gunther is a senior author and Newsletter Editor at Valnet, covering cutting-edge tech, Android, and more for How-To Geek. He's covered Android, cars, and technology for over a decade. When he's not reviewing the latest gadget, you can find him off-roading in his Toyota truck, fixing said truck, or doing something outdoors with friends and family. He's covered CES, SEMA, and MWC and reviewed countless phones, TVs, speakers, EVs, e-bikes, and more. Before Valnet, Cory worked for GottaBeMobile . His writing has also appeared on SlashGear , InputMag , and  AndroidCentral.  He's written over 9,000 articles.  If you've noticed your Ryobi lawn mower dying before the backyard is finished, the culprit isn't necessarily a bad or aging battery; it's probably how you're using your favorite feature. And if you've had the mower for a few years, how and when you use this feature becomes even more important.…